Dwyer 472A-1 - Manual (Page 2)

DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
©Copyright 2013 Dwyer Instruments, Inc. Printed in U.S.A. 8/13 FR# R6-443743-00 Rev.3
BATTERY REPLACEMENT
The Dual Input Thermocouple Thermometer displays “BAT” as a visual low battery
indication.
To Replace the Battery:
1. Make sure the unit is powered off.
2. Remove thermocouples from the top of the instrument.
3. Lay face down on a clean, flat surface.
4. Open battery compartment by pushing in tab and lifting cover.
5. Replace battery, taking note of the indicated polarity.
6. Replace the cover.
MAINTENANCE
A periodic check of the system calibration is recommended. Model 472A-1 is not
field serviceable and should be returned if repair is needed (field repair should not
be attempted and may void warranty). Be sure to include a brief description of the
problem plus any relevant application notes. Contact customer service to receive
a return goods authorization number before shipping.
If the thermometer fails to power on, it is likely that the batteries
also need to be replaced.
Failing to turn the thermometer off may result in malfunction of
the unit. Dispose of used battery promptly and keep away from
children.
NOTICE
NOTICE